Shape Shifting - which animal would you like to be?

Shape shifting is a mythological, folklore concept, eg. The man who becomes a Wherewolf at full moon. It is different from 'Cloaking' by use of spells (which is, when one can use Witchcraft to make yourself invisible or unseen - but that is another Thread on it's own). So if you were a Shape shifter, which animal would you like to change into from time to time?